<html>
<head>
    <style>
        body {
            background-color: #f0f0f0;
            font-family: Arial, sans-serif;
        }
        .container {
            width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .title {
            font-size: 36px;
            color: #333333;
            margin-top: 50px;
        }

    </style>
</head>
<body>
    <div class="container">
        <h1 class="title">开始检测一场直播</h1>
    </div>
</body>
</html>